Le 30 mars 09 à 15:45, xclerc a écrit :
(...)
I have built a MacOS-to-Linux cross-compiler last week.
I do confirm that the hard part is getting a cross-[g]cc up and
running.
In fact, this is so tedious that I strongly encourage to resort to
either
a prepackaged cross-[g]cc (from binaries, from a Linux packaging
system, whatever), or to the excellent "crosstool" available at :
http://www.kegel.com/crosstool/
On the OCaml side, there are very few things to do and they are
quite straightforward. First, you have to emulate the behaviour of
"./configure" by producing "config/m.h", "config/s.h", and "config/
Makefile"
by hand. This is easier than it may sound, just start from "config/m-
templ.h",
"config/s-temp.h", and "config/Makefile-templ" (these are
comprehensively
commented).
Then, you will have to slightly patch some Makefiles, and you are
done.
I will setup a webpage with all the necessary steps and patches as
soon
as I get my notes organized. This will allow us to share knowledge
on the subject.
The build process I followed along with its accompagnying patch are
available on the Gallium wiki at the following URL:
http://brion.inria.fr/gallium/index.php/CrossCompiler
This is clearly a very experimental draft that is still a bit hackish.
All reports, both positive and negative are hence very welcome,
in order to polish it up.
Hope this helps,
Xavier Clerc
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